package com.cy.util;

/**
 * Description: 添加描述
 * date: 2021/3/19 0019 17:14
 *
 * @author Mr.xiaoshi
 * @since JDK 1.8
 */
public class StringUtil {
    public static boolean isEmpty(String str){
        return str==null||"".equals(str);
    }
}
